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Question:-
You are setting up a Mendelian tetra-hybrid (4 gene) cross. What are possible genotypes for the parents?
Step by step
Solved in 2 steps
- F1 hybrid is obtained from the following cross: Parent 1: AB/AB; d/d; E/E Parent 2: ab/ab; D/D; e/e Assume that all genes are sorted independently except for genes A and B, which are tightly linked and show zero recombination. Following a testcross of F1, what proportion of the F2 progeny will be phenotypically like parent 1? O 1/32 1/8 O 1/16 O 1/4 O9/64Using the pedigree below for an autosomal dominant disorder to determine the phase (which ones are recombinants and which are non-recombinants? Identify them by pedigree position (11, 112, etc.) (SLO4) 1 11 III 2/2 1/2 1/1 -O 2/12 2/2 2/2 2/2 2/2 1/2 2/2 1/2 2/2 1/2 2/2 a. 0.01 b. 0.1 c. 0.2 Calculate the LOD score for each theta below for the pedigree above. Note: keep lots of places behind the decimal until the very end for accuracy. (SLO4)Figure 8.10 In pea plants, purple flowers (P) are dominant to white (p), and yellow peas (Y) are dominant to green (y). What are the possible genotypes and phenotypes for a cross between PpYY and ppYy pea plants? How many squares would you need to complete a Punnett square analysis of this cross?
- What phenotypes in what ratio would be expected in the F2 generation of the cross with the following information: The genotype of homozygous black, long haired rabbit is BBhh The genotype of homozygous brown, short haired rabbit is bbHH The gamete of homozygous black, long haired rabbit is Bh The gamete of homozygous brown, short haired rabbit is bH F1 progeny is BbHh (heterozygous black, short haired rabbit)type P = n! (p)* (q)"* х! (n - х)! Practice Problem: You cross a true-breeding pea plant with red flowers to a true-breeding pea plant with white flowers. All of your offspring have red flowers. Which gene is dominant? Why? What is the genotype of your offspring? You then cross the offspring to each other. What ratio do you expect? Why? You count 1000 plants and look at their flowers. Your results are as follows: 740 red 260 white Does this follow a simple Mendelian inheritance pattern? Why or why not? DADT 2 MEA SUDI ND D LUT IONSA dihybrid cross gives a phenotypic ratio of 5:3 (or 10:6) instead of 9:3:3:1. What phenotypic ratio would you expect in a testcross of the double heterozygous hybrid? Question options: 1:1:1:1 1:1 1:2:1 3:1
- In a cross between mice the genotypes AB/ab ab/ab, what is the recombination frequency if the progeny numbers are 72 AB/ab, 68 ab/ab, 17 Ab/ab, and 21 aB/ab? The alleles are shown for each chromosome, separated by a slash (/).Drosohpila Punnet Square of Crosses. I need results of F1 & F2 generation using Punnett Squares for: Make Punnet Squares of the following crosses •Drosophila Female wildtype cross Male White-eye •Drosophila Male wildtype cross Female White-eye •Drosophila Female Wild Type cross Male Scarlet Eye •Drosophila Male Wild Type cross Female Scarlet Eye Also, Which allele is heterozygous and which is homozygous, & which is dominant and which is recessive?Using the punnet square solve the following:Please work out this Di-Hybrid cross . -Mom is homozygous dominant for both traits -Dad is homozygous recessive for both traits Trait Key:S= Straights= CurlyL= Long l= Short 1st Question to answer ---- How many of the offspring come out straight & long? 2nd Question to answer ---- How many of the offspring come out curly & short?
- If a Punnett square is used to visualize a three-factor cross (trihybrid cross, e.g. YyTtRr x YyTtRr) how many boxes would be inside of the square? O 3 8 O 48 O 64 128 O 256DIHYBRID CROSS Heterozygous Yellow and heterozygous round seed crossed with homozygous yellow and heterozygous round seed. Find the following: 1. Alleles of both parents (given problems) 2. Genotype 3. Phenotype ratio 4. Write the punnet square -Please answer this on the paper and explain the answer step by step. Thank you asapThis is a two part question: Please complete part a and part b, failure to complete both, you will receive no credit. 1. PART A: Using the following diagram (attached below) answer the following questions:True or false: The chromosomes in the parent cell are homologous. Circle one: (T/F)The genes in the parent cell do assort independently. Circle one: (T/F)Gametes 2 and 3 are recombination gametes. Circle one: (T/F)All the gametes show the parental combination of genes. Circle one: (T/F)Crossing-over occurred in the production of gametes 1 and 4 Circle one: (T/F) PART B:Using the diagram below (attached)Match the following words inside the diagram: Deoxyribose Purine base Pyrimidine base Phosphate Nucleotide monomer Nucleic acid polymer(note: not all will be used)